|
| F | 2021 Biel Challenger | Hard | L | Alexander Ritschard | 6-2 6-1 | [H2H] |
| QF | 2021 Biel Challenger | Hard | W | Elmar Ejupovic | 6-3 7-6(3) | [H2H] |
|
| R32 | 2021 M25 Sintra, Wk. 36 | Hard | W | Felix Corwin | | [H2H] |
|
| R32 | 2021 M25 Bagneres-De-Bigorre, Wk. 35 | Hard | L | Titouan Droguet | 6-2 2-6 6-3 | [H2H] |
|
| R32 | 2021 M25 Koksijde, Wk. 33 | Clay | L | Arnaud Bovy | 5-7 6-1 7-5 | [H2H] |
|
| R32 | 2021 M25 Frankfurt am Main, Wk. 32 | Clay | L | Daniel Cukierman | 6-3 6-3 | [H2H] |
|
| R16 | 2021 M25+H Ajaccio, Wk. 27 | Hard | L | Loris Pourroy | 6-1 4-6 6-3 | [H2H] |
| R32 | 2021 M25+H Ajaccio, Wk. 27 | Hard | W | Pierre Antoine Tailleu | 6-4 6-4 | [H2H] |
|
| R32 | 2021 M25 Bakio, Wk. 26 | Hard | L | Christian Harrison | 6-2 3-6 6-4 | [H2H] |
|
| F | 2021 M15 Marbella, Wk. 21 | Hard | W | Diego FERNANDEZ Flores | 6-2 6-1 | [H2H] |
| SF | 2021 M15 Marbella, Wk. 21 | Hard | W | Nicolas ALVAREZ Varona | 1-6 7-5 6-3 | [H2H] |
| QF | 2021 M15 Marbella, Wk. 21 | Hard | W | Alejandro MORO Canas | 6-4 7-5 | [H2H] |
| R16 | 2021 M15 Marbella, Wk. 21 | Hard | W | Maxime Mora | 7-5 6-0 | [H2H] |
| R32 | 2021 M15 Marbella, Wk. 21 | Hard | W | Francisco Andreu Garcia | 7-6(4) 6-1 | [H2H] |
|
| QF | 2021 M15 Troisdorf, Wk. 19 | Clay | L | Elmar Ejupovic | 6-2 6-1 | [H2H] |
| R16 | 2021 M15 Troisdorf, Wk. 19 | Clay | W | Luke Johnson | 7-6(9) 6-4 | [H2H] |
| R32 | 2021 M15 Troisdorf, Wk. 19 | Clay | W | Max Wiskandt | 7-6(5) 6-3 | [H2H] |
|
| R32 | 2021 M15 Sibenik, Wk. 16 | Clay | L | Gergely Madarasz | 6-4 5-7 6-3 | [H2H] |
|
| R16 | 2021 M25 Meerbusch, Wk. 15 | Clay | L | Alexander Erler | 6-3 3-6 6-1 | [H2H] |
| R32 | 2021 M25 Meerbusch, Wk. 15 | Clay | W | Jeroen Vanneste | 6-3 6-4 | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 10 | Hard | L | Naoki Nakagawa | 4-6 6-3 6-4 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 10 | Hard | W | Constantin Schmitz | 6-0 6-2 | [H2H] |
|
| SF | 2021 M15 Monastir, Wk. 6 | Hard | L | Gauthier Onclin | 3-6 6-1 6-2 | [H2H] |
| QF | 2021 M15 Monastir, Wk. 6 | Hard | W | Juan Bautista Torres | 6-2 6-3 | [H2H] |
| R16 | 2021 M15 Monastir, Wk. 6 | Hard | W | Lukas Mugevicius | 6-1 6-1 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 6 | Hard | W | Stuart Parker | 5-7 6-4 6-3 | [H2H] |
|
| F | 2021 M15 Monastir, Wk. 5 | Hard | L | Stuart Parker | 6-3 4-6 7-6(5) | [H2H] |
| SF | 2021 M15 Monastir, Wk. 5 | Hard | W | Tom Kocevar-Desman | 6-3 6-2 | [H2H] |
| QF | 2021 M15 Monastir, Wk. 5 | Hard | W | Skander Mansouri | 3-6 6-1 6-4 | [H2H] |
| R16 | 2021 M15 Monastir, Wk. 5 | Hard | W | Liova Ajavon | 7-6(8) 6-3 | [H2H] |
